name=Heat Wave
image=https://magiccards.info/scans/en/vi/83.jpg
value=3.278
rarity=U
type=Enchantment
cost={2}{R}
ability=Cumulative upkeep {R};\
        Blue creatures can't block creatures you control.;\
        Nonblue creatures can't block creatures you control unless their controller pays 1 life for each blocking creature he or she controls.
timing=enchantment
oracle=Cumulative upkeep {R}\nBlue creatures can't block creatures you control.\nNonblue creatures can't block creatures you control unless their controller pays 1 life for each blocking creature he or she controls.
status=not supported: cant-block-unless-cost
